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Phosphorous is one of the biggest drivers of poor water quality in lakes, ponds and dams. Even small amounts can trigger excessive algal growth, cyanobacterial blooms, low dissolved oxygen, fish kills, foul odours and the slow shift from a clear, healthy waterbody to a green, weedy, sediment-choked one. Once phosphorous is locked into bottom sediments, it can keep fuelling these problems for years through internal loading — long after the original source has been addressed.
Bringing phosphorous back under control usually involves a combination of approaches, tailored to the waterbody. These can include reducing inputs from the surrounding catchment, treating the water column to bind and settle phosphorous out of solution, capping or inactivating sediments to stop legacy phosphorous releasing back up, improving circulation and oxygenation, and supporting natural processes through wetlands or planted margins. The right mix depends on the size and use of the waterbody, the source and form of the phosphorous, sediment chemistry, and what outcomes you’re trying to achieve.
Every site is different, and choosing the wrong intervention can be expensive and ineffective. If you’re seeing signs of nutrient enrichment — algal blooms, weed problems, murky water, or rising phosphorous in your monitoring results — get in touch with the Parklink team. We’ll help you understand what’s driving the issue at your site and recommend a control strategy that’s the right fit.
Every water body has at least one nuisance weed that keeps coming back year after year. And that means spraying chemicals to control it year after year.
Not with this new herbicide coming to NZ. This unique formula requires 40x-100x less active ingredient and achieves significantly longer control.
REGEN-Floc® is a complete water quality and clarity restoration tool. This advanced probiotic and flocculant combine scientific research in bioengineering, phosphorus binding, and coagulation/flocculation resulting in a product that will improve all aspects of water quality. REGEN-Floc® provides a natural way to stop lake eutrophication and restore your lake to a more pristine state.
Eutrophication is when a lake receives excess nutrients (phosphorus and nitrogen) from the watershed and from deposited sediments, called internal nutrient loading. These excess nutrients lead to poor water clarity, algae blooms, low oxygen levels and an imbalanced ecosystem. Nutrients need to be maintained in lower amounts with good water clarity to promote a naturally balanced ecosystem where aquatic life thrives.
REGEN-Floc® completely reverses eutrophication by removing excess nutrients and turbidity. This one-of-a-kind proprietary formula of select bacterial cultures, flocculant, and phosphorus binders works in synergy to provide a complete restoration solution that permanently binds phosphorus in water and sediments, reduces nitrogen, and removes unwanted turbidity.
– Breaks down organics and binds phosphorus in the water column
– Improves water quality and clarity within hours
– Eliminates internal phosphorus re-cycling from the sediment
– Safe and easy liquid formulation with no irrigation restrictions
– Does not impact water pH or alkalinity
– Maintains desired turbidity, TSS, and Secchi
Metafloc Dosage – For water column nutrient & clarity | ||
|---|---|---|
| Mildly Eutrophic (30 – 50 µg/L Phosphorus 1.2 – 0.9 m. Secchi) | Eutrophic (50 – 100 µg/L Phosphorus 0.9 – 0.6 m. Secchi) | Eutrophic (50 – 100 µg/L Phosphorus < 0.6 m. Secchi) |
| 0.6 – 1.8 mL / m3 | 1.8 – 2.5 mL / m3 | > 3.6 mL / m3 |
For Sediment Nutrient Removal | ||
| Mildly Eutrophic (250 mg/kg sediment P) | Eutrophic (550 mg/kg sediment P) | Eutrophic (750 mg/kg sediment P) |
| 190 L per acre | 380 L per acre | 532 L per acre |
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